Umesh Ahire: PHP

TYBCS Solved Practical Slips ( 10 & 20 Marks )

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Updated Practical Slips Solutions Sem-II

Slip 1: Write a PHP script to keep track of number of times the web page has been accessed (Use Session Tracking).

Solution:

<?php

session_start();

if(isset($_SESSION['page_views'])){

$_SESSION['page_views']++;

} else {

$_SESSION['page_views'] = 1;

}

echo "You have visited this page " . $_SESSION['page_views'] . " times.";

=========================================================================

Slip 2: Write a PHP script to change the preferences of your web page like font style, font size, font color, background color using cookie. Display selected setting on next web page and actual implementation (with new settings) on third page (Use Cookies).

Solution:

HTML file :

<html>

<body>

<b>Select font style :</b><input type=text name=s1> <br>

<b>Enter font size : </b><input type=text name=s><br>

<b>Enter font color : </b><input type=text name=c><br>

<b>Enter background color :</b> <input type=text name=b><br>

</center>

</form>

</body>

</html>

PHP file : slip2.php

<?php

echo "style is ".$_GET['s1']."<br>color is ".$_GET['c']."<br>Background color is ".$_GET['b']."<br>size is ".$_GET['s'];

setcookie("set1",$_GET['s1'],time()+3600);

setcookie("set2",$_GET['c'],time()+3600);

setcookie("set3",$_GET['b'],time()+3600);

setcookie("set4",$_GET['s'],time()+3600);

<html>

<body>

</form>

</body>

</html>

PHP file : slip2_1.php

<?php

$style = $_COOKIE['set1'];

$color = $_COOKIE['set2'];

$size = $_COOKIE['set4'];

$b_color = $_COOKIE['set3'];

$msg = "Perfect eLearn Institute | Umesh Ahire - 8788100181";

echo "<body bgcolor=$b_color>";

echo "<font color=$color size=$size>$msg";

echo "</font></body>";

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Slip 3: Write a PHP script to accept username and password. If in the first three chances, username and password entered is correct then display second form with “Welcome message” otherwise display error message. [Use Session]

Solution:

HTML file :

<html>

<head>

function getans()

{

st1=document.getElementById('txtname').value;

st2=document.getElementById('txtpass').value;

ob=new XMLHttpRequest();

ob.onreadystatechange=function()

{

if(ob.readyState==4 && ob.status==200)

{

if(ob.responseText==3)

{

alert("sorry you lost the chances to login");

location="error.html";

}

else if(ob.responseText=="correct")

{

alert("you entered correct details");

}

else alert(ob.responseText);

}

ob.open("GET","Slip3.php?n="+st1+"&p="+st2);

ob.send();

}

</script>

</head>

<body>

</body>

</html>

HTML file : error.html

<html>

<body>

<h1>YOu lossed the chances of login</h1>

</body>

</html>

PHP file : Slip3.php

<?php

session_start();

$nm=$_GET['n'];

$ps=$_GET['p'];

if($nm==$ps)

{

echo "correct";

}

else if(isset($_SESSION['cnt']))

{

$x=$_SESSION['cnt'];

$x=$x+1;

$_SESSION['cnt']=$x;

echo $_SESSION['cnt'];

if($_SESSION['cnt']>=3)

$_SESSION['cnt']=1;

}

else

{

$_SESSION['cnt']=1;

echo "1";

}

=========================================================================

Slip 4:Write a PHP script to accept Employee details (Eno, Ename, Address) on first page. On second page accept earning (Basic, DA, HRA). On third page print Employee information (Eno, Ename, Address, Basic, DA, HRA, Total) [ Use Session]

Solution:

HTML file :

<html>

<body>

<center> <h2>Enter Enployee Details :</h2> <br>

<table>

<tr> <td><b>Address :</b></td> <td><input type=text name=eadd></td> </tr>

</table>

</center>

</form>

</body>

</html>

PHP file : Slip4.php

<?php

session_start();

$eno = $_GET['eno'];

$enm = $_GET['enm'];

$eadd = $_GET['eadd'];

$_SESSION['eno'] = $eno;

$_SESSION['enm'] = $enm;

$_SESSION['eadd'] = $eadd;

<html>

<body>

<h2>Enter Earnings of Employee:</h2>

<table>

<tr><td>Basic : </td><td><input type="text" name="e1"></td><tr>

</table>

</center>

</form>

</body>

</html>

PHP file : slip4_1.php

<?php

session_start();

$e1 = $_POST['e1'];

$e2 = $_POST['e2'];

$e3= $_POST['e3'];

echo "<h3>Employee Details</h3> ";

echo "Name : ".$_SESSION['eno']."<br>";

echo "Address : ".$_SESSION['enm']."<br>";

echo "Class : ".$_SESSION['eadd']."<br><br>";

echo "basic : ".$e1."<br>";

echo "DA : ".$e2."<br>";

echo "HRA : ".$e3."<br>";

$total = $e1+$e2+$e3;

echo "<h2>Total Of Earnings Is : ".$total."</h2>";

=========================================================================

Slip 5:Create XML file named “Item.xml”with item-name, item-rate, item quantity Store the details of 5 Items of different Types

Solution:

XML file: Item.xml

<?xml version="1.0" encoding="UTF-8"?>

<items>

<item>

<name>Apple</name>

</item>

<item>

<name>Orange</name>

</item>

<item>

<name>Banana</name>

</item>

<item>

<name>Tomato</name>

</item>

<item>

<name>Cucumber</name>

</item>

</items>

=========================================================================

Slip 6: Write PHP script to read “book.xml” file into simpleXML object. Display attributes and elements. ( simplexml_load_file() function )

Solution:

XML File: Book.xml

<?xml version="1.0" encoding="UTF-8"?>

<title>The Catcher in the Rye</title>

<author>J.D. Salinger</author>

</book>

<title>To Kill a Mockingbird</title>

<author>Harper Lee</author>

</book>

</library>

PHP File: Book.php

<?php

// Load the XML file into a SimpleXML object

$xml = simplexml_load_file("book.xml");

// Display the attributes of the first book element

echo "Attributes:\n";

foreach ($xml->book[0]->attributes() as $name => $value) {

echo "$name: $value\n";

}

// Display the elements of the first book element

echo "\nElements:\n";

foreach ($xml->book[0]->children() as $child) {

echo $child->getName() . ": " . $child . "\n";

}

=========================================================================

Slip 7: Write a PHP script to read “Movie.xml” file and print all MovieTitle and ActorName of file using DOMDocument Parser. “Movie.xml” file should contain following information with at least 5 records with values. MovieInfoMovieNo, MovieTitle, ActorName ,ReleaseYear

Solution:

XML File: Movie.xml

<?xml version="1.0"?>

<MovieTitle>The Shawshank Redemption</MovieTitle>

<ActorName>Tim Robbins</ActorName>

</MovieInfo>

<MovieTitle>The Godfather</MovieTitle>

<ActorName>Marlon Brando</ActorName>

</MovieInfo>

<MovieTitle>The Dark Knight</MovieTitle>

<ActorName>Christian Bale</ActorName>

</MovieInfo>

<MovieTitle>Schindler's List</MovieTitle>

<ActorName>Liam Neeson</ActorName>

</MovieInfo>

<MovieTitle>Pulp Fiction</MovieTitle>

<ActorName>John Travolta</ActorName>

</MovieInfo>

</Movies>

PHP File: Movie.php

<?php

// Load the XML file

$xml = new DOMDocument();

$xml->load('Movie.xml');

// Get all the <MovieInfo> elements

$movieInfos = $xml->getElementsByTagName('MovieInfo');

// Loop through each <MovieInfo> element and print the MovieTitle and ActorName

foreach ($movieInfos as $movieInfo) {

$movieTitle = $movieInfo->getElementsByTagName('MovieTitle')->item(0)->nodeValue;

$actorName = $movieInfo->getElementsByTagName('ActorName')->item(0)->nodeValue;

echo "Movie Title: $movieTitle\n";

echo "Actor Name: $actorName\n\n";

}

=========================================================================

Slip 8: Write a JavaScript to display message ‘Exams are near, have you started preparing for?’ (usealert box ) and Accept any two numbers from user and display addition of two number .(Use Prompt and confirm box)

Solution:

// Display message using alert box

alert("Exams are near, have you started preparing for?");

// Accept two numbers from user using prompt box

let num1 = prompt("Enter the first number:");

let num2 = prompt("Enter the second number:");

// Convert the input strings to numbers

num1 = parseFloat(num1);

num2 = parseFloat(num2);

// Check if both inputs are valid numbers

if (isNaN(num1) || isNaN(num2)) {

// Display error message using confirm box

confirm("Invalid input. Please enter numbers only.");

} else {

// Compute the sum and display using confirm box

const sum = num1 + num2;

confirm(`The sum of ${num1} and ${num2} is ${sum}.`);

}

=========================================================================

Slip 9 : Write a JavaScript function to validate username and password for a membership form.

Solution:

function validateForm() {

const username = document.forms["membershipForm"]["username"].value;

const password = document.forms["membershipForm"]["password"].value;

// check if username is empty

if (username === "") {

alert("Please enter a username.");

return false;

}

// check if password is empty

if (password === "") {

alert("Please enter a password.");

return false;

}

// check if password is at least 8 characters long

if (password.length < 8) {

alert("Password must be at least 8 characters long.");

return false;

}

// username and password are valid

return true;

}

=========================================================================

Slip 10: Create a HTML fileto insert text before and after a Paragraph using jQuery.

[Hint : Use before( ) and after( )]

Solution:

<!DOCTYPE html>

<html>

<head>

<title>Insert Text Before and After Paragraph Using jQuery</title>

</head>

<body>

<p id="my-paragraph">This is my paragraph.</p>

// insert text before the paragraph

$("#my-paragraph").before("<p>Here's some text before the paragraph.</p>");

// insert text after the paragraph

$("#my-paragraph").after("<p>And here's some text after the paragraph.</p>");

</script>

</body>

</html>

=========================================================================

Slip 11: Write a Javascript program to accept name of student, change font color to red, font size to 18 if student name is present otherwise on clicking on empty text box display image which changes its size (Use onblur, onload, onmousehover, onmouseclick, onmouseup)

Solution:

<!DOCTYPE html>

<html>

<head>

<title>Student Name</title>

function changeStyle() {

var name = document.getElementById("name");

if (name.value != "") {

name.style.color = "red";

name.style.fontSize = "18px";

} else {

var image = document.getElementById("image");

image.style.display = "block";

}

function changeSize() {

var image = document.getElementById("image");

image.style.width = "200px";

image.style.height = "200px";

}

function resetSize() {

var image = document.getElementById("image");

image.style.width = "100px";

image.style.height = "100px";

}

</script>

</head>

<body>

<h1>Student Name</h1>

</body>

</html>

==============================================================

Slip 12: Write AJAX program to read contact.dat file and print the contents of the file in a tabular format when the user clicks on print button. Contact.dat file should contain srno, name, residence number, mobile number, Address. [Enter at least 3 record in contact.dat file]

Solution:

HTML file :

<html>

<head>

<style>

span

{

font-size: 25px;

}

table

{

color: blueviolet; ;

}

</style>

function print()

{

var ob=false;

ob=new XMLHttpRequest();

ob.open("GET","slip12.php?");//emailid="+eid);

ob.send();

ob.onreadystatechange=function()

{

if(ob.readyState==4 && ob.status==200)

{

document.getElementById("i").innerHTML=ob.responseText;

}

</script>

</head>

<body>

<h3>Display the contents of a contact.dat file </h3>

</center>

</body>

</html>

Dat file : contact.dat

1 Isha 65768798 98765432 Daughter

2 Megha 65235689 87654329 Mother

PHP File: Slip12.php

<?php

$fp = fopen('contact.dat','r');

echo "<table border=1>";

echo "<tr><th>Sr. No.</th><th>Name</th><th>Residence No.</th><th>Mob. no.</th><th>Relation</th></tr>";

while($row = fscanf($fp,"%s %s %s %s %s"))

{

echo "<tr>";

foreach($row as $r)

{

echo "<td>$r</td>";

}

echo "</tr>";

}

echo "</table>";

fclose($fp);

=========================================================================

Slip13: Write AJAX program where the user is requested to write his or her name in a text box, and the server keeps sending back responses while the user is typing. If the user name is not entered then the message displayed will be, “Stranger, please tell me your name!”. If the name is Rohit, Virat, Dhoni, Ashwin or Harbhajan , the server responds with “Hello, master !”. If the name is anything else, the message will be “, I don’t know you!”

Solution:

HTML File: server.html

<!DOCTYPE html>

<html>

<head>

<title>AJAX Example</title>

function sendRequest() {

var name = document.getElementById("name").value;

var message = document.getElementById("message");

if (name == "") {

message.innerHTML = "Stranger, please tell me your name!";

} else {

var xhr = new XMLHttpRequest();

xhr.onreadystatechange = function() {

if (this.readyState == 4 && this.status == 200) {

if (this.responseText == "Hello, master !") {

message.innerHTML = "Hello, master !";

} else {

message.innerHTML = name + ", I don't know you!";

}

};

xhr.open("GET", "server.php?name=" + name, true);

xhr.send();

}

</script>

</head>

<body>

<h1>AJAX Example</h1>

</body>

</html>

PHP File: server.php

<?php

$name = $_GET["name"];

if ($name == "") {

echo "";

} else if ($name == "Rohit" || $name == "Virat" || $name == "Dhoni" || $name == "Ashwin" || $name == "Harbhajan") {

echo "Hello, master !";

} else {

echo "";

}

=========================================================================